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APPROXIMATE CALCULATION OF INDIVIDUAL IONIC ACTIVITY COEFFICIENT AND MEAN IONIC ACTIVITY COEFFICIENT OF ANELECTROLYTE IN MIXED ELECTROLYTES SOLUTIONS 混合电解质单个离子活度系数和平均活度系数的近似计算
ionic activity coefficient 离子活度系数
Theory of ionic interaction and activity coefficient of strong electrolyte. 离子相互作用和强电解质活度系数理论。
These measurements are particularly useful where continuous measurements of ionic activity are needed. 在需要连续测量离子的活动性时，这种测量特别有用。
Activity coefficient Number expressing the ratio of a substance's chemical activity to its molar concentration. 活度系数:化学术语,活度系数指物质的化学活度对其浓度之比。
The results indicate that the activity coefficient of Cu increases and of Fe decreases with the increase of C content. 结果表明,随着体系中碳量的增加,相应地Cu活度系数增加,而Fe活度系数减少。
The activity coefficients of KCl in KCl + KAc + H2O system were determined at 298.15K from emf measurements for different total ionic strengths:0.1,0.5,1.0,1.5,2.0 and 2.5mol. 用电势法测定298.;15K时，KCl在KCl＋KAc＋H2O体系中的活度系数，混合电解质溶液的总离子强度分别为0
It shows that the calculation result of the modified method based on activity coefficient is not as good as that of the PRSV EOS. 结果表明：对于极性较强的体系，活度系数法虽然也能计算高压下的GLE，但计算效果不如状态方程法；
A correlation equation of solubility has been proposed by using Kirkwood-Buff s solution theory and the Flory-Huggins activity coefficient equations. 运用Kirkwood-Buff溶液理论和Flory-Huggins活度系数方程，建立了溶解度关联方程。
The PR equation of state by the Huron-Vidal mixing rule with the NRTL activity coefficient model gave satisfactory correlation and prediction results. 这些结果与建议，可提供相关工业界使用超临界流体清洗或乾燥之参考。
The activity coefficients of NaBr in the system NaBr - NaAc - H_2O at 298. 15K were determined from EMF measurements at constant total ionic strengths of 0. 1, 0. 5, 1. 0, 1. 5, 2. 0, 2. 5 and 3. 0 mol/kg. 用电势法测定了298.;15K以及I为0
Model UNIFAC is one of the most widely used model in reckoning the compo-nent activity coefficient in nonelectrolyte solution.It is also used in engineering designing calculation. UNIFAC模型目前已成为推算非电解质溶液中组分活度系数应用最广泛的模型,并且用于工程设计计算。
The model parameters of liquid activity coefficient were correlated by the least square method.The calculated boiling points were in good agrement with the experimental data. 用最小二乘法求出了该系统的液相活反系数模型参数，由模型参数推算的泡点温度与实验值能较好的吻合。
The amended triple diagonal matrix algorithm and the feasible method of solving fugacity coefficient and activity coefficient were used to calculate the column. 针对炼油厂含硫污水汽提塔的特点,修正三对角矩阵算法,利用适当的逸度系数及活度系数求解,模拟计算结果与实际基本相符。
theory of ionic interaction and activity coefficient of strong electrolyte 离子相互作用和强电解质活度系数理论
The plasma and erythrocyte riboflavin and its derivatives (FMN and FAD) were analysed with HPLC method. The blood glutathione reductase activity coefficient (BGRAC), erythrocyte GSH concentration and urinary riboflavin excretion were also measured. 用高效液相色谱法测定血浆与红细胞核黄素及衍生物浓度的动态变化,同时测定核黄素尿排量、全血谷胱甘肽还原酶活性系数(BGRAC)、红细胞还原性谷胱甘肽浓度及血浆丙二醛浓度变化。
Because the existence of Si reduces the activity coefficient of Al in the phase layer of FeSiAl 3 and decreases the number of aluminum atoms, supplied from molten Al to Fe 2Al 5 phase, the fast growth of Fe 2Al 5 phase is restrained. 由于Si降低了Al在FeSiAl3 相层中的活度 ,减少了从铝熔体向Fe2 Al5相供应的铝原子数 ,从而抑制了Fe2 Al5相的快速生长。
The measured VLE and VLLE data were correlated by the activity coefficient models of UNIQUAC and NRTL with the consideration of the association by Hayden and O Connell in the vapor phase. 将本实验所得来之数据使用UNIQUAC和NRTL两种液相模式进行迴归，回归结果，汽液与汽液液平衡都是以UNIQUAC较佳。
In chapter five, the students will learn about some properties of the constituent element in polycomponent system, such as partial molar quantity, fugacity coefficient, activity coefficient. 第五章分析多组分系统中组元性质，如偏摩尔量、逸度系数、活度系数。